package com.zsy.yygh_hosp.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.atguigu.yygh.model.hosp.Department;
import com.atguigu.yygh.vo.hosp.DepartmentQueryVo;
import com.atguigu.yygh.vo.hosp.DepartmentVo;
import com.zsy.yygh.common.result.Result;
import com.zsy.yygh_hosp.repository.DepartmentRepository;
import com.zsy.yygh_hosp.service.DepartmentService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.*;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

//科室实现接口
@Service
public class DepartmentServiceImpl implements DepartmentService {
    @Autowired
    private DepartmentRepository departmentRepository;
    //上传科室接口
    @Override
    public void save(Map<String, Object> map) {
        //map 转换department对象
        String paramMapString= JSONObject.toJSONString(map);
        Department department = JSONObject.parseObject(paramMapString,Department.class);

        //根据医院编号and科室编号 查询
        Department departmentExist=departmentRepository
                .getDepartmentByHoscodeAndDepcode(department.getHoscode(),department.getDepcode());
        //判断
        if (departmentExist!=null){
            //更新
            departmentExist.setUpdateTime(new Date());
            departmentExist.setIsDeleted(0);
            departmentRepository.save(departmentExist);
        }else{
            department.setCreateTime(new Date());
            department.setUpdateTime(new Date());
            department.setIsDeleted(0);
            departmentRepository.save(department);
        }
    }
    //查询科室
    @Override
    public Page<Department> findPageDepartment(int page, int limit, DepartmentQueryVo departmentQueryVo) {
        //创建Pageable对象，设置当前页和每页记录数
        //0是第一页
        Pageable pageable= PageRequest.of(page-1,limit);
        //vo转换对象
        Department department = new Department();
        BeanUtils.copyProperties(departmentQueryVo,department);
        //创建Example对象
        ExampleMatcher matcher = ExampleMatcher.matching()
                .withStringMatcher(ExampleMatcher.StringMatcher.CONTAINING)//模糊查询？》》
                .withIgnoreCase(true);//忽略大小写
        Example<Department> example = Example.of(department, matcher);
        Page<Department> all = departmentRepository.findAll(example, pageable);
        return all;
    }
    //删除科室接口
    @Override
    public void remove(String hoscode, String depcode) {
        //根据医院编号 和 科室编号查询
        Department department = departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode, depcode);
        if (department!=null){
            //调用方法删除
            departmentRepository.deleteById(department.getId());
        }
    }
    //根据医院编号查询科室信息
    @Override
    public List<DepartmentVo> findDeptTree(String hoscode) {
        //创建list集合，用于最终数据封装
        List<DepartmentVo> result=new ArrayList<>();

        //根据医院编号，查询医院所有科室信息
        Department department = new Department();
        department.setHoscode(hoscode);
        Example<Department> example=Example.of(department);
        //所有科室列表信息
        List<Department> departmentList = departmentRepository.findAll(example);

        //根据大科室编号分组 ：bigcode,获取每个大科室里面下级子科室 使用：stream流
        Map<String, List<Department>> departmentMap =
                departmentList.stream().collect(Collectors.groupingBy(Department::getBigcode));
         //遍历map集合
        for (Map.Entry<String,List<Department>> entry : departmentMap.entrySet()){
            //大科室编号
            String bigcode=entry.getKey();
            //大科室编号对应的全局数据
            List<Department> departmentList1 = entry.getValue();
            //封装大科室
            DepartmentVo departmentVo = new DepartmentVo();
            departmentVo.setDepcode(bigcode);
            departmentVo.setDepname(departmentList1.get(0).getBigname());
            //封装小科
            List<DepartmentVo> children=new ArrayList<>();
            for (Department department1 : departmentList1) {
                DepartmentVo departmentVo1 = new DepartmentVo();
                departmentVo1.setDepcode(department1.getDepcode());
                departmentVo1.setDepname(department1.getDepname());
                //封装list集合
                children.add(departmentVo1);
            }
            //吧小科室集合放到大科室children里
            departmentVo.setChildren(children);
            //放到最终result里面
            result.add(departmentVo);

        }
        return result;
    }
    //获取科室名称
    @Override
    public String getDepName(String hoscode, String depcode) {
        Department department = departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode, depcode);
        if(department != null) {
            return department.getDepname();
        }
        return null;
    }
    //根据科室编号和医院编号 获取科室对象
    @Override
    public Department getDepartment(String hoscode, String depcode) {
        return departmentRepository.getDepartmentByHoscodeAndDepcode(hoscode, depcode);
    }
}
